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Patents > Office : AT or MX or US or Other & Tech fields : automatic stability or wings & First filing: Yes & Cites these patents : 1887 or None & Number of diagram pages: 1-2

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Supplementary to patent:
None (347) · Patent IT-1915-148941 (2) · Patent FR-1911-448337 (2) · Patent FR-1912-450422 (2) · Patent FR-1914-475066 (2)
Related to aircraft:
Patent agent:
None (122) · Armengaud jeune (37) · None (22) · Marks & Clerk (10) · J. Bonnet-Thirion (8) · G. de Mestral et F. Harlé (8) · Weismann et Marx (8) · Boult, Wade & Tennant (7) · L. Chassevent (5) · E. Blétry (5) · Haseltine, Lake & Co. (5) · Edward Evans & Co. (5) · J. Germain (5) · Boult, Wade, and Tennant (4)
National tech categories:
FR 6.4 (185) · None (105) · HU V/h (25) · DE 77h.5 (15) · AT 77d (12) · DE 77h.7 (6) · FR 6.3 (4) · USPC 244/80 (3) · USPC 244/35R (3) · USPC 244/82 (3) · USPC 244/90R (2) · DE 77h.10 (2) · USPC 244/219 (2) · CH 129b (2) · GB 4 propel & steer (2) · FR 5.3 (2)
IPCs:
None (98) · IPC B64C17/00 (88) · IPC B64C1/00 (70) · IPC B64C39/00 (37) · IPC B64C3/00 (28) · IPC B64C33/02 (11) · IPC B64C3/38 (11) · IPC B64C3/56 (10) · IPC B64C3/54 (8) · IPC B64C23/00 (8) · IPC B64C13/00 (7) · IPC B64B1/00 (7) · IPC B64C3/48 (7) · IPC B64C3/14 (6) · IPC B64C11/00 (6) · IPC B64C17/06 (6) · IPC B64C3/52 (5) · IPC B64C21/02 (5)
CPCs:
CPC B64C17/00 (100) · None (59) · CPC B64C2700/6218 (44) · CPC B64C3/00 (30) · CPC B64C39/00 (28) · CPC B64C2700/6295 (24) · CPC B64C2700/6233 (19) · CPC B64C2700/6212 (17) · CPC B64C13/00 (15) · CPC B64C33/02 (12) · CPC B64C3/56 (10) · CPC B64C3/385 (10) · CPC B64C17/06 (10) · CPC B64C2700/6214 (9) · CPC B64C3/14 (9)
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